sakula | 0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689

General

Target

0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe
Size

60KB
MD5

1eeac55938cf588a90c352f3c5143f3b
SHA1

ff3005979f2f6abe98be0f448706ae07527fe307
SHA256

0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689
SHA512

2c53fa1f4f27cab5007c79e92e30ed7ea3ea8b6d2ba5831104b2f6919c5f96cfeb3fecd4fc35d97757a9b3a5a7ffbf2ed6d82fe91254031902e2f24d9f6455ab

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2116 MediaCenter.exe

pid	process
2116	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.133511"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125015"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.016592"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892979699515925"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1300 PING.EXE

pid	process
1300	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe

description	pid	process
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe
Token: SeBackupPrivilege	3564	TiWorker.exe
Token: SeRestorePrivilege	3564	TiWorker.exe
Token: SeSecurityPrivilege	3564	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.execmd.exe

description	pid	process	target process
PID 3688 wrote to memory of 2116	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe	MediaCenter.exe
PID 3688 wrote to memory of 2116	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe	MediaCenter.exe
PID 3688 wrote to memory of 2116	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe	MediaCenter.exe
PID 3688 wrote to memory of 2052	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe	cmd.exe
PID 3688 wrote to memory of 2052	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe	cmd.exe
PID 3688 wrote to memory of 2052	3688	0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe	cmd.exe
PID 2052 wrote to memory of 1300	2052	cmd.exe	PING.EXE
PID 2052 wrote to memory of 1300	2052	cmd.exe	PING.EXE
PID 2052 wrote to memory of 1300	2052	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe
"C:\Users\Admin\AppData\Local\Temp\0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3688

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2116

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f71c84d712f9e8c2b58a2c91fb9f142f1bbad147efd49eb05c385686aeb4689.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1300

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1956

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:116

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
d772b9a01eb2f7bb68c77cd90633c4f4

SHA1
c15d534b71a7f887343d6804c7d79ad65179e460

SHA256
83d334c48943f16cf6b51c46d6d453a13b09dc2ad84f3c46d6ab8878bb616516

SHA512
0e0ebc15332e2f62658be8ca1ea3896af322275fea99ccb3b72ef9f0091606b88f87e308777b3fdeafb94e7db18f5e63016b6a2651333e06cc7f4e21f83adf14

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
d772b9a01eb2f7bb68c77cd90633c4f4

SHA1
c15d534b71a7f887343d6804c7d79ad65179e460

SHA256
83d334c48943f16cf6b51c46d6d453a13b09dc2ad84f3c46d6ab8878bb616516

SHA512
0e0ebc15332e2f62658be8ca1ea3896af322275fea99ccb3b72ef9f0091606b88f87e308777b3fdeafb94e7db18f5e63016b6a2651333e06cc7f4e21f83adf14

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads